Chemical industry
preferred label: صنعت شیمیایی @fa
type: Concept
narrower: Chemical industry waste disposal

Chemical industry waste disposal
broader: Chemical industry
broader: Waste disposal
preferred label: دفع پسماند صنعت شیمیایی @fa
type: Concept

Waste disposal
preferred label: دفع پسماند @fa
type: Concept
narrower: Chemical industry waste disposal